The spark lighter is used to ignite the oxyacetylene mixture at the tip of cutting torch. The oxyacetylene torch can be used for various tasks. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene. Adjust the oxygen regulator screw by turning it clockwise until the recommended pressure is achieved. Refer to the victor acetylene cutting tip chart in appendix a or welding nozzle flow data in appendix b for the recommended pressures. By using the proper tips, rods, and fluxes, almost any metal can be welded, heated, or cut using the oxyacetylene process. An approved code of practice is a practical guide to achieving the standards of health.
Setup and shutdown procedure for oxyfuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxyfuel welding. The welding torch is opened, both gases are combined together and it is burned due to more oxygen mix to acetylene. Oxyacetylene welding oaw the oxyacetylene welding process uses a combination of oxygen and acetylene gas to provide a high temperature flame. Welding, cutting, and brazing welding is a process that joins materials together by melting a metal work piece along with a filler metal to form a strong joint.
The other equipments serves the same function as in case of oxyacetylene gas welding. Safe operating procedures this sop should be used in conjunction with relevant machinery manuals and manufacturer recommendations. Oxyfuel oxyacetylene welding a guide to gas welding. Safe operating procedure sop oxygenacetylenehidrogen welding and cutting improper use of oxygenacetylenehidrogen torches places employees at increased risk of serious injury. Oxygen acetylene welding easily understand youtube. In this video we will discuss about what is oxygen acetylene welding. Oxy fuel welding includes any welding operation that makes use of a fuel gas combined with oxygen as a heating medium. However, if it is used incorrectly, serious injury can occur to you and the equipment. If the oxy welding cutting equipment is to be operated in a dangerous or hostile environment, the userclient. Welding is a fundamental skill needed for many truck modifications and repairs. In order to comfortably and safely see the flame when welding or cutting, welding goggles must be worn. It can be used for cutting steel, welding steel, brazing and for heating metal. Inspect regularly and replace damaged nonreturn valves.
How to properly light, adjust and shut down an oxyacetylene torch harris products group. Always have the spindle key in the acetylene cylinder valve. Unlike many traditional welding procedures, the application of technosphere and. Safety for oxyacetylene welding thompson rivers university. Safety in gas welding, cutting and similar processes page 3 of 11 preventing fire from heat, sparks, molten metal or direct contact with flame the flame from an oxyfuel gas torch often called a blowpipe is a very powerful source of ignition. Arc welding also uses intense heat, but the heat is generated through an electric arc. Unfortunately, gas welding isnt taught as regularly as it used to be. A mixture of oxygen and acetylene, burns as an intense focussed flame, at approximately 3,500 degrees centigrade. Fundamentals of gas cutting and welding ced engineering.
A comprehensive treatise on the practice of welding cast iron, malleable iron, steel, copper, brass, bronze, and aluminum by the oxyacetylene methods, together with concise information on the equipment required for both welding and cutting by this process. Oxy acetylene welding is a welding process manually, in which the surfaces to be joined, which is warming to melt by a gas flame oxyacetylene with or without filler metal, where the connection process without emphasis. In this process the mixture of oxyacetylene and oxygen presented, which is flow to the burning process and controlled by control valve. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to. Instruction describes the procedure for the inspection, testing and identification requirements of portable and mobile oxyfuel gas systems for welding, cutting, heating to. Oxy acetylene cutting safety in agriculture osha standard 1910. When using an oxygenfuel gas process to perform welding or cutting, the. Inspection of portable and oxy fuel gas systems wi37. And this welding process is still very popular today, mainly because it does not require much equipment, and does not require power. However, it is still widely used for a variety of applications. The welding shall be done by the manual oxyacetylene process for welding of butt welded joints and fillet welded joints on steel pipe. Setup and shutdown procedure for oxy fuel cutting torch.
By adding oxygen gas, torch outfits can produce flame temperatures of 5,620 degrees. Gas welding and cutting oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by application of heat created by gas flame. The first 4steps below will talk about putting a new tank on your oxyacetylene set and starting with step 5, how to use a cutting torch set. Guidelines are given on the principal health and safety considerations for oxyacetylene welding to ensure safe welding practices. When opening tank valves, always open valves slowly so pressure on regulators is. Nonreturn valves will not stop a flashback once it has occurred. Component specification nfq level 3 oxyacetylene welding. Safe operating procedures sop 15 oxy acetylene cutting. Setup and shutdown procedure for oxy fuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxy fuel welding. Employees have said that it takes too long doing it this way, but this is the only. The chemical action of the oxy acetylene flame can be adjusted. Oxy acetylene welding ofw fundamentals pressure settings. Oxyfuel welding ofw is a group of welding processes that join metals by heating them with a fuel gas flame or flares with or without the application of pressure and with or without the use of filler metal. Its a shame, because oxy acetylene welding teaches you how to manipulate a.
Once you are familiar with the equipment and procedures, you should be able to make. Safety in gas welding, cutting and similar processes. Careless use of oxyfuel torches has caused many fires. Acetylene pressures are for tips with light preheating flames for use on clean plate. The oxyacetylene torch is a safe tool if used properly. Pass a written test on safety and operation procedures on the oxyacetylene unit with a minimum of 100 accuracy. Oxygen acetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Oxy fuel or oxy acetylene welding are gas welding procedures that were invented in the early 1900s. Oxyacetylene cutting safety in agriculture osha standard 1910. Oxyacetylene welding is a very common welding process that dates back to 1890s, wherein oxygen and acetylene are used as the two major welding gases. Oxy acetylene welding oxy acetylene, commonly known as oxy fuel, is one of the. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. The real tool of the oxyacetylene welding process is the flame, not.
However, when dissolved in acetone, it can be compressed into. Fundamentals of gas cutting and welding cedengineering. Oxyfuel gas cutting and welding operation of oxyfuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot. Oxy fuel gas cutting and welding operation of oxy fuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot. Torch outfit basics for beginners oxygenacetylene welding. Hoses used to convey acetylene, oxygen and liquefied petroleum gases lpg conforming to as35. The oxyacetylene flame produces an intense bright light that causes discomfort and possible injury to the eyes. C maintained for melt the commercial metal welding. A shade made especially for oxyacetylene, shade 56 works well. Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape.
Working safely with acetylene page 4 of 5 health and safety executive maintain nonreturn valves fit nonreturn valves often called check valves on the torch, to prevent back feeding of gas into the hoses. Open the valve on the acetylene cylinder no more than threefourths of a turn so it can be closed quickly in case of emergency. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c. Fusion weldinga welding process that joins metals by heating them to be a melting point and allowing them to fuse or flow together. Appropriate footwear with substantial uppers must be worn. Standard operating procedure sop acetylene and oxygen.
Cutting with the oxyacetylene process is just the opposite from that of welding. Video an introduction to gas welding oxyacetylene oxyacetylene gas welding is commonly used to permanently join mild steel. Oxyacetylene welding oxyacetylene, commonly known as oxyfuel, is one of the. Oxyacetylene torcheshow to use use of a cutting torch is not something that just anybody should do without training. Oxyacetylene, commonly known as oxyfuel, is one of the oldest welding processes, though in recent years, it has become less popular in industrial applications. When mixed together in correct proportions within a handheld torch or blowpipe, a relatively hot flame is produced with a temperature of about 3,200 deg. Storage keep cylinder caps in place when cylinders are not in use or are being transported. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly. Oxyacetylene welding also known as oxyacetylene welding uses an oxyfuel gas flame can be applied with or without pressure can be applied with or without the use of filler materials 5. Torch outfits produce heat energy by burning acetylene gas. The latter might be con sidered constructive and the former destructive. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module.